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d81c03f05e
These patches were generated from: https://github.com/raspberrypi/linux/commits/rpi-6.12.y With the following command: git format-patch -N v6.12.27..HEAD (HEAD -> 8d3206ee456a5ecdf9ddbfd8e5e231e4f0cd716e) Exceptions: - (def)configs patches - github workflows patches - applied & reverted patches - readme patches - wireless patches Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
155 lines
4.8 KiB
Diff
155 lines
4.8 KiB
Diff
From cd5689e020865627a184562da91ad03dc7b325aa Mon Sep 17 00:00:00 2001
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From: James Sarrett <jsarrett@gmail.com>
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Date: Sun, 26 Jan 2025 11:29:31 -0800
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Subject: [PATCH] add ina238 to i2c-sensors
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This patch adds the ina238 device tree parameters to the i2c-sensors
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overlay. The ina238 driver needs 2 configuration parameters, shut_resistor
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and ti,shunt-gain in addition to it's address, so they are added as well.
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---
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arch/arm/boot/dts/overlays/README | 13 ++++++
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.../boot/dts/overlays/i2c-sensor-common.dtsi | 44 ++++++++++++++-----
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2 files changed, 46 insertions(+), 11 deletions(-)
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -2514,6 +2514,10 @@ Params: addr Set the
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ds1621 Select the Dallas Semiconductors DS1621 temp
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sensor. Valid addresses 0x48-0x4f, default 0x48
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+ gain Gain used for measuring shunt resistor current.
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+ Valid values 1 or 4, default 1. (ina238 only,
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+ disabled by default)
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+
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hdc100x Select the Texas Instruments HDC100x temp sensor
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Valid addresses 0x40-0x43, default 0x40
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@@ -2525,6 +2529,11 @@ Params: addr Set the
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htu21 Select the HTU21 temperature and humidity sensor
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+ ina238 Select the TI INA238 power monitor. Valid
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+ addresses 0x40-0x4F, default 0x40.
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+ Uses parameters shunt-resistor and
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+ ti,shunt-gain for configuration
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+
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int_pin Set the GPIO to use for interrupts (as73211,
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as7331, hdc3020, hts221, max30102, mpu6050 and
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mpu9250 only)
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@@ -2584,6 +2593,10 @@ Params: addr Set the
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reset_pin GPIO to be used to reset the device (bno055
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only, disabled by default)
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+ shunt_resistor Value of shunt resistor used for current
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+ measurement in uOhms. (ina238 only, disabled
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+ by default)
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+
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sht3x Select the Sensirion SHT3x temperature and
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humidity sensors. Valid addresses 0x44-0x45,
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default 0x44
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--- a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
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+++ b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
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@@ -534,6 +534,26 @@
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#size-cells = <0>;
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status = "okay";
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+ ina238: ina238@48 {
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+ compatible = "ti,ina238";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ reg = <0x40>;
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+ /* uOhms, uint32_t */
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+ shunt-resistor = <1000>;
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+ /* 1 or 4, (±40.96 mV or ±163.84 mV) */
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+ ti,shunt-gain = <1>;
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+ };
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+ };
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+ };
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+
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+ fragment@36 {
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+ target = <&i2cbus>;
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+ __dormant__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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hts221: hts221@5f {
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compatible = "st,hts221-humid", "st,hts221";
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reg = <0x5f>;
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@@ -545,7 +565,7 @@
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};
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};
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- fragment@36 {
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+ fragment@37 {
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target = <&i2cbus>;
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__dormant__ {
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#address-cells = <1>;
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@@ -555,12 +575,11 @@
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veml6075: veml6075@10 {
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compatible = "vishay,veml6075";
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reg = <0x10>;
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- status = "okay";
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};
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};
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};
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- fragment@37 {
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+ fragment@38 {
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target = <&i2cbus>;
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__dormant__ {
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#address-cells = <1>;
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@@ -578,7 +597,7 @@
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};
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};
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- fragment@38 {
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+ fragment@39 {
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target = <&i2cbus>;
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__dormant__ {
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#address-cells = <1>;
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@@ -596,7 +615,7 @@
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};
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};
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- fragment@39 {
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+ fragment@40 {
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target = <&i2cbus>;
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__dormant__ {
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#address-cells = <1>;
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@@ -661,11 +680,12 @@
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bno055 = <0>,"+31";
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sht4x = <0>,"+32";
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adt7410 = <0>,"+34";
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- hts221 = <0>,"+35+99";
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- veml6075 = <0>,"+36";
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- hdc3020 = <0>,"+37+99";
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- as73211 = <0>,"+38+99";
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- as7331 = <0>,"+39+99";
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+ ina238 = <0>,"+35";
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+ hts221 = <0>,"+36+99";
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+ veml6075 = <0>,"+37";
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+ hdc3020 = <0>,"+38+99";
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+ as73211 = <0>,"+39+99";
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+ as7331 = <0>,"+40+99";
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addr = <&bme280>,"reg:0", <&bmp280>,"reg:0", <&tmp102>,"reg:0",
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<&lm75>,"reg:0", <&hdc100x>,"reg:0", <&sht3x>,"reg:0",
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@@ -675,7 +695,7 @@
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<&ms5837>,"reg:0", <&ms8607>,"reg:0",
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<&mpu6050>,"reg:0", <&mpu9250>,"reg:0",
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<&bno055>,"reg:0", <&sht4x>,"reg:0",
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- <&bmp380>,"reg:0", <&adt7410>,"reg:0",
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+ <&bmp380>,"reg:0", <&adt7410>,"reg:0", <&ina238>,"reg:0",
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<&hdc3020>,"reg:0", <&as73211>,"reg:0",
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<&as7331>,"reg:0";
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int_pin = <&int_pins>, "brcm,pins:0",
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@@ -689,5 +709,7 @@
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<&as7331>, "interrupts:0";
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no_timeout = <&jc42>, "smbus-timeout-disable?";
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reset_pin = <&bno055>,"reset-gpios:4", <0>,"+30";
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+ shunt_resistor = <&ina238>,"shunt-resistor:0";
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+ gain = <&ina238>,"ti,shunt-gain:0";
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};
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};
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